CN215916738U

CN215916738U - Denitration and dust removal integrated device of cement clinker bypass air-releasing and chlorine-removing system

Info

Publication number: CN215916738U
Application number: CN202121417980.7U
Authority: CN
Inventors: 李三霞
Original assignee: Zhengzhou Lanxia Environmental Protection Engineering Co ltd
Current assignee: Zhengzhou Lanxia Environmental Protection Engineering Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-01
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a denitration and dust removal integrated device of a cement clinker bypass air-releasing and chlorine-removing system, which comprises a box body, a cold water plate group and a water circulation mechanism, an air inlet pipe communicated with a kiln flue gas pipe is arranged at one end of the top of the interior of the box body, an air outlet pipe communicated with the cloth bag dust collector is arranged at the bottom of the box body, the cold water plate groups are arranged in the box body at equal intervals, and are used for cooling the smoke entering the box body for multiple times, the utility model adds the cold water plate groups, circulating cooling liquid is arranged in the cooling cavities in the first and second cold water plates, the thin-wall hollow pipes on the first and second cold water plates are installed in a staggered mode, impact between the flue gas and the first and second cold water plates is increased, the effect of heat dissipation and cooling is improved, damage to the bag-type dust collector due to overhigh temperature is avoided, and use safety is effectively improved.

Description

Denitration and dust removal integrated device of cement clinker bypass air-releasing and chlorine-removing system

Technical Field

The utility model relates to the technical field of cement production equipment, in particular to a denitration and dust removal integrated device of a cement clinker bypass air-releasing and chlorine-removing system.

Background

In the process of cooperatively treating the household garbage, the cement kiln can generate a large amount of flue gas containing alkali, chlorine and sulfur low-melting-point compounds at the tail of the cement kiln, and the low-melting-point compounds can be skinned at a smoke chamber at the tail of the cement kiln, a preheater, a discharging pipeline and the like, so that the running resistance of a kiln system is increased, the ventilation in the kiln is influenced, and the kiln can be stopped in severe cases. Therefore, a part of the flue gas with high alkali, chlorine and sulfur content at the kiln tail needs to be discharged, and the discharged high-temperature flue gas needs to be subjected to cooling treatment before entering a bag dust collector, so as to ensure the safety of bag dust collection.

Therefore, the denitration and dust removal integrated device of the cement clinker bypass air-releasing and chlorine-removing system is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a denitration and dust removal integrated device of a cement clinker bypass air-release and chlorine-removal system, which can cool flue gas and avoid damage to a bag dust collector, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: cement clinker bypass is let out and is removed chlorine system denitration dust removal integrated device, including box, cold water plate group and water circulation mechanism, the inside top one end of box is equipped with the intake pipe that is linked together with kiln flue gas pipe, the bottom of box is equipped with the outlet duct that is linked together with the sack dust collector for carry out the cooling many times to the inside flue gas of getting into the box cold water plate group equidistance is located the inside of box is used for carrying out the circulation to the cooling water of cold water plate group every water circulation mechanism installs and locates the outside of box.

Preferably, the cooling water plate group comprises two first cooling water plates and two second cooling water plates, the second cooling water plates are arranged between the first cooling water plates, the first cooling water plates and the second cooling water plates have the same structure, a cooling cavity for storing cooling liquid is formed in the middle of the inside of the first cooling water plates, thin-walled hollow pipes are arranged in the cooling cavity at equal distances, and two ends of each thin-walled hollow pipe penetrate through the first cooling water plates and extend to the outside of the cooling cavity; through addding cold water plate group, can realize getting into and contact between the flue gas in the box and the cold water plate group, then carry out the heat absorption cooling to it by recirculated cooling liquid, can realize the effect of cooling.

Preferably, the water circulation mechanism comprises a first cooling tank arranged between the first cold water plate and one side of the second cold water plate, a second cooling tank is arranged between one ends of the second cold water plates far away from the first cooling tank, the two sides of the first cooling tank are respectively communicated with the end parts of the first cold water plates and the second cold water plates through first communication pipes, two sides of the second cooling tank are communicated with the end part of the second cold water plate through a second communicating pipe, a water return pipe is arranged at one end of the first cold water plate far away from the first communicating pipe, a water pump is arranged on the water return pipe, heat dissipation mechanisms are arranged inside the first cooling box and the second cooling box, by additionally arranging the circulating mechanism between the cold water plate groups, the flow of the circulating cooling liquid between the cold water plate groups is increased, so that the loss of heat absorbed by the circulating cooling liquid can be increased.

Preferably, heat dissipation mechanism is including fixed locating the inside interior box that is used for the ice-cube to place of first cooler bin and second cooler bin, the both sides of interior box all are equipped with protruding stupefied, can increase the area of contact of recirculated cooling liquid with the surface of interior box, increase its radiating effect.

Preferably, the top one side of first cooler bin with the second cooler bin all seted up with the opening that interior box is linked together, be equipped with the closing plate on the opening, can conveniently add the ice-cube to the inside of interior box.

Preferably, both ends of one side of the opening are positioned at the outer sides of the tops of the first cooling box and the second cooling box, limiting rings are fixedly arranged on the outer sides of the tops of the first cooling box and the second cooling box, the limiting rings are connected through limiting insertion rods, and the stability of placing the cover on the sealing plate is improved.

Preferably, the two sides of the first cold water plate and the second cold water plate are both fixedly provided with mounting lugs, so that the cold water plate group is conveniently connected with the inner wall of the box body.

Preferably, bottom one side of first cooler bin and second cooler bin all run through be equipped with the drain pipe that interior box is linked together, be equipped with the control valve on the drain pipe, conveniently discharge to the inside liquid after melting of interior box.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the existing discharged flue gas cooling is optimized, the cooling water plate group is additionally arranged, and the circulating cooling liquid is arranged in the cooling cavities in the first and second cooling water plates, so that the effect of absorbing heat and reducing temperature for the flue gas can be realized, meanwhile, the thin-wall hollow pipes on the first and second cooling water plates are installed in a staggered manner, the impact between the flue gas and the first and second cooling water plates is increased, the heat dissipation and cooling effects are increased, the bag-type dust collector is prevented from being damaged due to overhigh temperature, and the use safety is effectively improved.

2. According to the utility model, the circulating mechanism is additionally arranged between the first and second cold water plates, so that the circulating cooling liquid can be cooled when flowing into the first and second box bodies and the first and second connecting pipes due to the long path, and the cooling of the temperature in the flue gas is increased.

3. According to the utility model, the heat dissipation mechanisms are additionally arranged in the first box body and the second box body, the ice blocks are arranged in the inner box bodies, the surfaces of the ice blocks can be cooled by the ice blocks, and the contact area between the circulating cooling liquid and the inner box bodies is increased, so that the circulating cooling liquid can be quickly cooled and dissipated, and the cooling efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of a cold water plate set according to the present invention;

FIG. 3 is a sectional view of a first cold water plate according to the present invention;

fig. 4 is a sectional view of the first casing of the present invention.

In the figure: 1-a box body; 2, an air inlet pipe; 3-air outlet pipe; 4-a cold water plate group; 5-a water circulation mechanism; 6-a first cold water plate; 7-a second cold water plate; 8-a cooling chamber; 9-thin-walled hollow pipe; 10-a first cooling tank; 11-a first communication pipe; 12-a water return pipe; 13-a water pump; 14-an inner box body; 15-convex arris; 16-a stop collar; 17-a limit inserted link; 18-mounting bumps; 19-sealing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, 2, 3 and 4, the denitration and dust removal integrated device of the cement clinker bypass air-releasing and chlorine-removing system in the figure comprises a box body 1, a cold water plate group 4 and a water circulation mechanism 5, wherein an air inlet pipe 2 communicated with a kiln flue gas pipe is arranged at one end of the top inside the box body 1, an air outlet pipe 3 communicated with a bag dust collector is arranged at the bottom of the box body 1, the cold water plate group 4 for cooling flue gas entering the box body 1 for multiple times is equidistantly arranged inside the box body 1, and the water circulation mechanism 5 for circulating cooling water at each part of the cold water plate group 4 is arranged outside the box body 1.

Wherein, cold water plate group 4 includes that quantity is two first cold water plate 6 and second cold water plate 7 respectively, the both sides of first cold water plate 6 and second cold water plate 7 are all fixed and are equipped with installation lug 18, second cold water plate 7 is equipped with between the first cold water plate 6, just first cold water plate 6 with second cold water plate 7 has the same structure, offer the cooling chamber 8 that is used for saving the coolant liquid in the middle of the inside of first cold water plate 6, the inside impartial distance in cooling chamber 8 is equipped with thin wall hollow tube 9, the both ends of thin wall hollow tube 9 all run through first cold water plate 6 and to the outside in cooling chamber 8 extends.

When cooling down the flue gas: one end of an air inlet pipe 2 is communicated with a smoke outlet pipe of a kiln, smoke enters the box body 1 through the air inlet pipe 2 and then collides with the surfaces of a first cold water plate 6 and a second cold water plate 7 respectively, the cooling cavity 8 in the first cold water plate and the second cold water plate is internally provided with circulating cooling liquid, so that the effect of absorbing heat and reducing temperature of the smoke can be realized, meanwhile, the thin-wall hollow pipes 9 on the first cold water plate and the second cold water plate are installed in a staggered mode, the collision between the smoke and the first cold water plate and the second cold water plate is increased, the effect of radiating and cooling is increased, the entering smoke can reach the bottom of the box body 1 through the thin-wall hollow pipes 9 in sequence, then the smoke is discharged through an air outlet pipe 3, the effect of filtering the smoke can be realized due to the connection of one end of the air outlet pipe 3 and a bag-type dust collector, and the damage to the bag-type dust collector caused by overhigh temperature can be avoided, the use safety is effectively improved.

Example 2

Referring to fig. 1, 2, 3 and 4, the present embodiment is further explained for example 1, in the water circulation mechanism 5 shown in the figure, the water circulation mechanism 5 comprises a first cooling tank 10 arranged between the first cold water plate 6 and one side of the second cold water plate, a second cooling box is arranged between one ends of the second cold water plates 7 far away from the first cooling box 10, both sides of the first cooling tank 10 are respectively communicated with the ends of the first cold water plate 6 and the second cold water plate 7 through a first communicating pipe 11, two sides of the second cooling tank are communicated with the end part of the second cold water plate 7 through a second communicating pipe, a water return pipe 12 is arranged at one end, far away from the first communication pipe 11, of the first cold water plate 6, a water pump 13 is arranged on the water return pipe 12, and heat dissipation mechanisms are arranged inside the first cooling box 10 and the second cooling box;

and a drain pipe 20 communicated with the inner box body 14 is arranged on one side of the bottom of each of the first cooling box 10 and the second cooling box in a penetrating manner, and a control valve is arranged on the drain pipe 20.

In this embodiment, when circulating the use to the recirculated cooling liquid, at first start water pump 13, increase the inside recirculated cooling liquid's of first, second cold water board flow, because the path length in the first, second box and first, second connecting pipe of the flow of recirculated cooling liquid, will play the effect of cooling to the flow of recirculated cooling liquid, increased the cooling to temperature in the flue gas.

Example 3

Referring to fig. 1, 2, 3 and 4, the present embodiment is further illustrated with respect to other embodiments, in the water circulation mechanism 5 shown in the figure, the water circulation mechanism 5 comprises a first cooling tank 10 arranged between the first cold water plate 6 and one side of the second cold water plate, a second cooling box is arranged between one ends of the second cold water plates 7 far away from the first cooling box 10, both sides of the first cooling tank 10 are respectively communicated with the ends of the first cold water plate 6 and the second cold water plate 7 through a first communicating pipe 11, two sides of the second cooling tank are communicated with the end part of the second cold water plate 7 through a second communicating pipe, first cold water board 6 is kept away from the one end of first connecting pipe 11 is equipped with wet return 12, be equipped with water pump 13 on wet return 12, first cooler bin 10 with the inside of second cooler bin all is equipped with heat dissipation mechanism.

The heat dissipation mechanism comprises an inner box body 14 fixedly arranged in the first cooling box 10 and the second cooling box and used for placing ice blocks, and convex ridges 15 are arranged on two sides of the inner box body 14;

meanwhile, openings communicated with the inner box body 14 are formed in one sides of the tops of the first cooling box 10 and the second cooling box, sealing plates 19 are arranged on the openings, limiting rings 16 are fixedly arranged at two ends of one side of each opening and located on the outer sides of the tops of the first cooling box 10 and the second cooling box, and the limiting rings 16 are connected through limiting insertion rods 17.

In the present embodiment, when the circulating coolant flows into the first and second cooling boxes, since the inner boxes 14 are provided in both the first and second cooling boxes, ice blocks are arranged inside the inner box body 14, the surfaces of the ice blocks can be cooled by the ice blocks, and after the circulating cooling liquid enters the first cooling box and the second cooling box, the ice blocks are in contact with the surfaces of the inner box body 14, because the surface of the inner box body 14 is provided with the convex edge 15, the contact area between the circulating cooling liquid and the inner box body 14 is increased, thereby can be quick play the radiating effect of cooling down to recirculated coolant liquid, recirculated coolant liquid after the cooling heat dissipation will be sent into the first cold water board 6 on upper strata from the one end of the wet return 12 of the first cold water board 6 one side of lower floor by water pump 13 and carry out cooling down to the flue gas again, has increased the effect to the flue gas cooling, has improved the efficiency of cooling down.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Cement clinker bypass is let out wind and is removed chlorine system denitration dust removal integrated device, its characterized in that includes:

the kiln gas pipe comprises a box body (1), wherein one end of the top inside the box body (1) is provided with a gas inlet pipe (2) communicated with a kiln gas pipe, and the bottom of the box body (1) is provided with a gas outlet pipe (3) communicated with a cloth bag dust collector;

the cold water plate groups (4) are used for cooling the smoke entering the box body (1) for multiple times and are arranged in the box body (1) at equal intervals;

and the water circulation mechanism (5) is used for circulating the cooling water of each part of the cold water plate group (4), and the water circulation mechanism (5) is arranged outside the box body (1).

2. The denitration and dust removal integrated device for the cement clinker bypass air-release and chlorine-removal system as claimed in claim 1, which is characterized in that: cold water plate group (4) are first cold water plate (6) and second cold water plate (7) that two are respectively including quantity, second cold water plate (7) are equipped with between first cold water plate (6), just first cold water plate (6) with second cold water plate (7) have the same structure, offer cooling chamber (8) that are used for saving the coolant liquid in the middle of the inside of first cold water plate (6), the inside impartial distance in cooling chamber (8) is equipped with thin wall hollow tube (9), the both ends of thin wall hollow tube (9) all run through first cold water plate (6) and to the outside in cooling chamber (8) is extended.

3. The denitration and dust removal integrated device for the cement clinker bypass air-release and chlorine-removal system as claimed in claim 2, which is characterized in that: water circulation mechanism (5) are including locating first cooler bin (10) between first cold water board (6) and the second cold water board one side, second cold water board (7) are kept away from be equipped with the second cooler bin between the one end of first cooler bin (10), the both sides of first cooler bin (10) all through first communicating pipe (11) respectively with the tip of first cold water board (6) and second cold water board (7) is linked together, the both sides of second cooler bin pass through the second communicating pipe with the tip of second cold water board (7) is linked together, first cold water board (6) are kept away from the one end of first communicating pipe (11) is equipped with wet return (12), be equipped with water pump (13) on wet return (12), first cooler bin (10) with the inside of second cooler bin all is equipped with heat dissipation mechanism.

4. The cement clinker bypass air-release chlorine-removal system denitration and dust-removal integrated device as claimed in claim 3, which is characterized in that: the heat dissipation mechanism comprises an inner box body (14) fixedly arranged inside the first cooling box (10) and the second cooling box and used for placing ice blocks, and protruding ribs (15) are arranged on two sides of the inner box body (14).

5. The cement clinker bypass air-release chlorine-removal system denitration and dust-removal integrated device as claimed in claim 4, which is characterized in that: and openings communicated with the inner box body (14) are formed in one side of the tops of the first cooling box (10) and the second cooling box, and sealing plates (19) are arranged on the openings.

6. The cement clinker bypass air-release chlorine-removal system denitration and dust-removal integrated device as claimed in claim 5, which is characterized in that: limiting rings (16) are fixedly arranged at two ends of one side of the opening and positioned on the outer sides of the tops of the first cooling box (10) and the second cooling box, and the limiting rings (16) are connected through limiting inserted rods (17).

7. The denitration and dust removal integrated device for the cement clinker bypass air-release and chlorine-removal system as claimed in claim 2, which is characterized in that: and mounting convex blocks (18) are fixedly arranged on two sides of the first cold water plate (6) and the second cold water plate (7).

8. The cement clinker bypass air-release chlorine-removal system denitration and dust-removal integrated device as claimed in claim 4, which is characterized in that: and one sides of the bottoms of the first cooling box (10) and the second cooling box are respectively provided with a drain pipe (20) communicated with the inner box body (14) in a penetrating manner, and the drain pipes (20) are provided with control valves.